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Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
True Friendship
Cross-sectional data showing that the amount of effort spent on personal health care increases with
Over the past four decades, the self-reported health of married men and women has remained high, ...
In the past year, about one in five adults in the United States reported symptoms of anxiety ...